Final answer:
Masjid al-Haram is the sacred mosque around the Kaaba, located in Mecca, and it is the largest mosque in the world.
Step-by-step explanation:
The sacred Mosque around the Kaaba is known as Masjid al-Haram. It is the largest mosque in the world and is located in the holy city of Mecca, Saudi Arabia. The history of Masjid al-Haram dates back over a millennium, with multiple renovations and expansions having taken place under various caliphates. The mosque enshrines the Kaaba, a pre-Islamic monument believed to have been rededicated by the Prophet Muhammad and associated with Abraham and Ishmael in Islamic tradition. This site is of extreme importance in Islam and is the focal point of the annual hajj pilgrimage, attracting millions of Muslims from around the world.